<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
  <input v-model="product.title" placeholder="名字"><br>
  <input v-model="product.title" placeholder="价格"><br>
  <input v-model="product.title" placeholder="库存"><br>
  <input type="button" value="添加" @>
</div>

<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
   <script src=" https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
     <script>
       let v=new Vue({
         el:"body>div",
         data:{

         },
         methods:{

         }
       })

     </script>
</body>
</html>